Common Topics

The service is one of dozens of start-ups offering online storage to consumers and businesses.

Mozy's biggest start-up rivals are Carbonite and AllMyData. All charge about $4 to $5 per month for unlimited backup.

The young guns have a slight lead on Google, which is still tinkering with Google Shared Storage, a backup service of its own that will eventually integrate with GMail and Google Apps. Inevitably, Microsoft's having a pop too with SkyDrive, which was made available in beta in August.